Atomistic study of nanotwins in NiTi shape memory alloys
Atomistic simulations are performed to study the structure and geometrical limit of nanoscale
twins in NiTi shape memory alloys. We analyze compound twins as narrow as∼ 1 nm …
twins in NiTi shape memory alloys. We analyze compound twins as narrow as∼ 1 nm …
Size-dependent martensitic transformation path causing atomic-scale twinning of nanocrystalline NiTi shape memory alloys
T Waitz, D Spišák, J Hafner, HP Karnthaler - Europhysics Letters, 2005 - iopscience.iop.org
Nanocrystalline NiTi alloys were processed by devitrification of an amorphous phase to
elucidate the impact of the nanocrystallinity on the thermally induced martensitic phase …
elucidate the impact of the nanocrystallinity on the thermally induced martensitic phase …
Size effects on martensitic phase transformations in nanocrystalline NiTi shape memory alloys
T Waitz, T Antretter, FD Fischer… - Materials Science …, 2008 - journals.sagepub.com
Results of a systematic study are presented to review various effects of crystal size on the
martensitic phase transformations in nanocrystalline NiTi shape memory alloys. The …
martensitic phase transformations in nanocrystalline NiTi shape memory alloys. The …
Structural transformations in NiTi shape memory alloy nanowires
Martensitic phase transformation in bulk Nickle-Titanium (NiTi)—the most widely used shape
memory alloy—has been extensively studied in the past. However, the structures and …
memory alloy—has been extensively studied in the past. However, the structures and …
Phase transformations, detwinning and superelasticity of shape-memory NiTi from MEAM with practical capability
We present a second nearest-neighbor interatomic potential improved with the mechanical
properties of the bulk B2 and B19'phases in shape-memory NiTi alloys. The potential …
properties of the bulk B2 and B19'phases in shape-memory NiTi alloys. The potential …
Structural evolution during the cycling of NiTi shape memory alloys
J Hurley, AM Ortega, J Lechniak, K Gall… - International Journal of …, 2022 - degruyter.com
The structural evolution in NiTi shape memory alloys subjected to pseudoelastic cycling is
examined in the present study. Single crystals with [100] and [111] orientations were …
examined in the present study. Single crystals with [100] and [111] orientations were …
The effect of Ni content on phase transformation behavior of NiTi alloys: An atomistic modeling study
In this study, the thermodynamic behavior of single-and poly-crystalline NiTi shape memory
alloys (SMAs) with different Ni contents was investigated by molecular dynamics (MD) …
alloys (SMAs) with different Ni contents was investigated by molecular dynamics (MD) …
First-principles phonon-based model and theory of martensitic phase transformation in NiTi shape memory alloy
P Kumar, UV Waghmare - Materialia, 2020 - Elsevier
Remarkable shape memory property of Nitinol (NiTi) originates from a diffusion-free
reversible phase transition it exhibits upon cooling from the cubic austenite to a low …
reversible phase transition it exhibits upon cooling from the cubic austenite to a low …
A phase-field study of the martensitic detwinning in NiTi shape memory alloys under tension or compression
X Li, Y Su - Acta Mechanica, 2020 - Springer
The degree of shape recovery in shape memory alloys is highly associated with their
deformation due to martensitic detwinning. In this work, we studied the microstructural …
deformation due to martensitic detwinning. In this work, we studied the microstructural …
Quantitative phase analysis in microstructures which display multiple step martensitic transformations in Ni-rich NiTi shape memory alloys
In the present study, we investigate a microstructure which shows a three-step martensitic
transformation on cooling from the high temperature regime and two DSC peaks on heating …
transformation on cooling from the high temperature regime and two DSC peaks on heating …